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SN65LBC180-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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SN65LBC180-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 17 page SN65LBC180Q1 LOW POWER DIFFERENTIAL LINE DRIVER AND RECEIVER PAIR SGLS251A − JULY 2004 − REVISED JUNE 2008 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DRIVER SECTION electrical characteristics over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK Input clamp voltage II = − 18 mA − 1.5 V | VOD | Differential output voltage magnitude RL = 54 Ω, See Figure 1 1.1 2.5 5 V | VOD | Differential output voltage magnitude (see Note 3) RL = 60 Ω, See Figure 2 1.1 2 5 V ∆| VOD | Change in magnitude of differential output voltage (see Note 4) See Figures 1 and 2 ±0.2 V VOC Common-mode output voltage 1 2.5 3 V ∆| VOC | Change in magnitude of common-mode output voltage (see Note 4) RL = 54 Ω, See Figure 1 ±0.2 V IO Output current with power off VCC = 0, VO = − 7 V to 12 V ±100 µA IOZ High-impedance-state output current VO = − 7 V to 12 V ±100 µA IIH High-level input current VI = 2.4 V − 100 µA IIL Low-level input current VI = 0.4 V − 100 µA IOS Short-circuit output current − 7 V ≤ VO ≤ 12 V ±250 mA ICC Supply current Receiver disabled Outputs enabled 5 mA ICC Supply current Receiver disabled Outputs disabled 3 mA † All typical values are at VCC = 5 V and TA = 25°C. NOTES: 3. The minimum VOD specification of the SN65LBC180 may not fully comply with ANSI RS-485 at operating temperatures below 0°C. System designers should take the possibly lower output signal into account in determining the maximum signal-transmission distance. 4. ∆|VOD| and ∆|VOC| are the changes in the steady-state magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. switching characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT td(OD) Differential output delay time RL = 54 Ω See Figure 3 7 12 18 ns tt(OD) Differential output transition time RL = 54 Ω, See Figure 3 5 10 20 ns tPZH Output enable time to high level RL = 110 Ω, See Figure 4 35 ns tPZL Output enable time to low level RL = 110 Ω, See Figure 5 35 ns tPHZ Output disable time from high level RL = 110 Ω, See Figure 4 50 ns tPLZ Output disable time from low level RL = 110 Ω, See Figure 5 35 ns |
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